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

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

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

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

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