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

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

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

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

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