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

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

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

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

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