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