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

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

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

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

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