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

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

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

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

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