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

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

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

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

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