C31232233133313221211113313331333132313331322121111123121111121111111133113121   >>    C3123223313331322121111331333133313231333132212111112312111112111111113311312   <<    C31232233133313221211113313331333132313331322121111123121111121111111133113123   >>      C31232233133313221211113313331333132313331322121111123121111121111111133113122   >>