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

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

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

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

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