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

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

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

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

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