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