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