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

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

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

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

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