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

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

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

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

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