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

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

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

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

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