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