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

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

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

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

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