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

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

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

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

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