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

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

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

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

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