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