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

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

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

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

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