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