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

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

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

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

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