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