C31232233133313221211113313331333132313331322121111121111121133131123321123121   >>    C3123223313331322121111331333133313231333132212111112111112113313112332112312   <<    C31232233133313221211113313331333132313331322121111121111121133131123321123123   >>      C31232233133313221211113313331333132313331322121111121111121133131123321123122   >>