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