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

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

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

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

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