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

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

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

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

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