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

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

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

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

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