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