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

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

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

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

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