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

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

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

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

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