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

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

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

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

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