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

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

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

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

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