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

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

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

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

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