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

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

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

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

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