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

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

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

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

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