(0 21 2)(1 5 3)(4 10 6)(7 13 9)(8 22 20)(11 15 12)(14 18 16)(17 23 19)
ALLOWS (11/8)-SEQUENCE
1: (2 11 21)

(0 21 15 12 11)(1 5 3)(2)(4 10 6)(7 13 9)(8 22 20)(14 18 16)(17 23 19)
2: (8 22 20)

(0 21 15 12 11)(1 5 3)(2)(4 10 6)(7 13 9)(8)(14 18 16)(17 23 19)(20)(22)
3: (7 13 9)

(0 21 15 12 11)(1 5 3)(2)(4 10 6)(7)(8)(9)(13)(14 18 16)(17 23 19)(20)(22)
4: (0 21 15)

(0 12 11)(1 5 3)(2)(4 10 6)(7)(8)(9)(13)(14 18 16)(15)(17 23 19)(20)(21)(22)