(0 20 2)(1 18 15 13 8)(3 21 19 16 4)(5 10 7)(6 14 12)(9 17 11)
ALLOWS (11/8)-SEQUENCE
1: (0 1 2)

(0)(1 20 2 18 15 13 8)(3 21 19 16 4)(5 10 7)(6 14 12)(9 17 11)
2: (2 18 20)

(0)(1 20 15 13 8)(2)(3 21 19 16 4)(5 10 7)(6 14 12)(9 17 11)(18)
3: (16 21 19)

(0)(1 20 15 13 8)(2)(3 21 4)(5 10 7)(6 14 12)(9 17 11)(16)(18)(19)
4: (1 20 15)

(0)(1 13 8)(2)(3 21 4)(5 10 7)(6 14 12)(9 17 11)(15)(16)(18)(19)(20)