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

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

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

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

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