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

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

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

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

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