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

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

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

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

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