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