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