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