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