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