C31232233133313221211113313331333132313331322121111113313311231111   >>    C3123223313331322121111331333133313231333132212111111331331123111   <<    C31232233133313221211113313331333132313331322121111113313311231113   >>      C31232233133313221211113313331333132313331322121111113313311231112   >>