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

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

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

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

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