These are 4-wide building patterns but with a few rules:
- No I pieces are to be used in any pattern.
- The patterns only take duplicate next pieces into account. Triples are not possible with Random Generator.
- No figures will lead to a 020 end pattern because that will force the need for an I-piece.
- No soft dropping.
000 / 000
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OLL/OJJ - 000/000
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OLJ/OJL - 024/420
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OLZ/OJS - 120/021
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OLT/OJT - 210/012
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JOL/LOJ - 000/000
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JOZ/LOS - 120/021
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JOT/LOT - 210/021
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JJO/LLO - 000/000
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JJL/LLJ - 201/102
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JZJ/LSL - 000/000
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JZL/LSJ - 420/024
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JZS/LSZ - 021/120
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JZT/LST - 012/210
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JZL/LSJ - 000/000
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LSJ/JZL - 000/000
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LSS/JZZ - 021/120
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LST/JZT - 012/210
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LTS/JTZ - 210/012
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LTZ/JTS - 012/210
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LTT/JTT - 000/000
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LTT/JTT - 120/021
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LTT/JTT - 021/120
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TTL/TTJ - 000/000
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001 / 100
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OJ/OL - 000/000
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OSJ/OZL - 220/022
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OTZ/OTS - 010/010
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OTT/OTT - 100/001
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LO/JO - 000/000
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SJJ/ZLL - 001/100
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SL/ZJ - 000/000
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SZL/ZSJ - 022/220
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STS/ZTZ - 010/010
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STT/ZTT - 001/100
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ZJ/SL - 000/000
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002 / 200
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O/O - 000/000
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LZO/JSO - 110/001
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LZL/JSJ - 200/002
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LZS/JSZ - 011/110
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003 / 300
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OOJ/OOL - 000/000
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OOL/OOJ - 420/004
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OOS/OOZ - 021/120
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OOT/OOT - 012/210
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OLO/OJO - 000/000
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OLJ/OJL - 102/201
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OSJ/OZL - 024/420
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OSL/OZJ - 000/000
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OSZ/OZS - 120/021
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OST/OZT - 210/012
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OZJ/OSL - 000/000
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JJL/LLJ - 420/024
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JJS/LLZ - 021/120
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JJT/LLT - 012/210
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LJL/JLJ - 000/000
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LJZ/JLS - 120/021
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LJT/JLT - 210/012
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LLJ/JJL - 000/000
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LLS/JJZ - 021/120
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LLT/JJT - 012/210
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010 / 010
011 / 110
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JJO/LLO - 110/011
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JJL/LLJ - 200/002
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JJS/LLZ - 011/110
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L/J - 000/000
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ZLJ/SJL - 110/011
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TST/TZT - 320/023
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TST/TZT - 023/320
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TTO/TTO - 110/011
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TTL/TTJ - 200/002
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TTZ/TTS - 023/320
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TTZ/TTS - 011/110
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012 / 210
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ZTJ/STL - 000/000
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ZTL/STJ - 000/000
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TOJ/TOL - 024/420
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TOZ/TOS - 120/021
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TOT/TOT - 210/012
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TJO/TLO - 000/000
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TSL/TZJ - 000/000
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TZL/TSJ - 420/024
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TZJ/TSL - 000/000
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TZS/TSZ - 021/120
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TZT/TST - 012/210
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013 / 310
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ZJJ/SLL - 001/100
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ZL/SJ - 000/000
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ZZL/SSJ - 022/220
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ZTS/STZ - 010/010
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ZTT/STT - 001/100
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TSS/TZZ - 010/010
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TST/TZT - 001/100
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TT/TT - 000/000
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TTL/TTJ - 022/220
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TTJ/TTL - 220/022
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021 / 120
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JLL/LJJ - 000/000
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JLZ/LJS - 120/021
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JLT/LJT - 210/012
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022 / 220
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JLL/LJJ - 100/001
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JJ/LL - 000/000
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JSJ/LZL - 220/022
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JTZ/LTS - 010/010
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023 / 320
101 / 101
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SST/ZZT - 320/023
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SST/ZZT - 023/320
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STO/ZT0 - 110/011
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STL/ZTJ - 200/002
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STS/ZTZ - 011/110
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STZ/ZTS - 023/320
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T - 000
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TLJ/TJL - 110/011
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102 / 201
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JJL/LLJ - 420/024
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JJS/LLZ - 021/120
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JJT/LLT - 012/210
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SOJ/ZOL - 024/420
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SOL/ZOJ - 000/000
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SOZ/ZOS - 120/021
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SOT/ZOT - 210/012
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SJO/ZLO - 000/000
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SJL/ZLJ - 201/102
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SZL/ZSJ - 420/024
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SZS/ZSZ - 021/120
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SZT/ZST - 012/210
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SSL/ZZJ - 000/000
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TTL/TTJ - 000/000
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TTJ/TTL - 000/000
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103 / 301
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SST/ZZT - 001/100
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SZT/ZST - 010/010
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SZT/ZST - 100/001
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ST/ZT - 000/000
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STL/ZTJ - 022/220
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STJ/ZTL - 220/022
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202 / 202
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JL/LJ - 000/000
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JZL/LSJ - 022/220
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JTS/LTZ - 010/010
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JTT/LTT - 001/100
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203 / 302
020 / 020 (not recommended)
Avoid this situation if you do not want to waste an I tetromino.
