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

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

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

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

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