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

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

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

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

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