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