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

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

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

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

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