(0 19 12)(1 17 3)(2 11 9 6 4)(5 8 7)(10 21 20 15 13)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 1 12)
(0)(1 19 12 17 3)(2 11 9 6 4)(5 8 7)(10 21 20 15 13)(14 18 16)
2: (3 12 17)
(0)(1 19 12)(2 11 9 6 4)(3)(5 8 7)(10 21 20 15 13)(14 18 16)(17)
3: (10 21 13)
(0)(1 19 12)(2 11 9 6 4)(3)(5 8 7)(10)(13 20 15)(14 18 16)(17)(21)
4: (2 11 9)
(0)(1 19 12)(2 6 4)(3)(5 8 7)(9)(10)(11)(13 20 15)(14 18 16)(17)(21)