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

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

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

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

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