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