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

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

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

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

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