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

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

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

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

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