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

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

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

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

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