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

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

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

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

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