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