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

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

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

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

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