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

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

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

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

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