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