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