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