(0 18 16)(1 19 3)(2 9 6)(4 14 5)(7 20 11)(8 15 13)(10 17 12)
ALLOWS (11/8)-SEQUENCE
1: (5 7 20)

(0 18 16)(1 19 3)(2 9 6)(4 14 5 11 7)(8 15 13)(10 17 12)(20)
2: (5 11 14)

(0 18 16)(1 19 3)(2 9 6)(4 14 7)(5)(8 15 13)(10 17 12)(11)(20)
3: (10 17 12)

(0 18 16)(1 19 3)(2 9 6)(4 14 7)(5)(8 15 13)(10)(11)(12)(17)(20)
4: (0 18 16)

(0)(1 19 3)(2 9 6)(4 14 7)(5)(8 15 13)(10)(11)(12)(16)(17)(18)(20)