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