C31232233133313221211113313331333132313331322121111121133132332312121   >>    C3123223313331322121111331333133313231333132212111112113313233231212   <<    C31232233133313221211113313331333132313331322121111121133132332312123   >>      C31232233133313221211113313331333132313331322121111121133132332312122   >>