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

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

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

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

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