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

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

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

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

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