C31232233133313221211113313331333132313331322121133133313332223311   >>    C3123223313331322121111331333133313231333132212113313331333222331   <<    C31232233133313221211113313331333132313331322121133133313332223313   >>      C31232233133313221211113313331333132313331322121133133313332223312   >>