C31232233133313221211113313331333132313331322121111121111132133311113311   >>    C3123223313331322121111331333133313231333132212111112111113213331111331   <<    C31232233133313221211113313331333132313331322121111121111132133311113313   >>      C31232233133313221211113313331333132313331322121111121111132133311113312   >>