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

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

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

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

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