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

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

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

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

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