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