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

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

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

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

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