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

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

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

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

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