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

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

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

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

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