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

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

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

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

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