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

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

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

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

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