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