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

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

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

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

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