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

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

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

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

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