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

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

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

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

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