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

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

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

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

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