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