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