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

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

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

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

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