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

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

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

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

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