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

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

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

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

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