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