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