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