C31232233133313221211113313331333132313331322121133133313331333231333132223311   >>    C3123223313331322121111331333133313231333132212113313331333133323133313222331   <<    C31232233133313221211113313331333132313331322121133133313331333231333132223313   >>      C31232233133313221211113313331333132313331322121133133313331333231333132223312   >>