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

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

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

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

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