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

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

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

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

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