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