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