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