C312322331333132212111133133313331323132333121111331311211312121   >>    C31232233133313221211113313331333132313233312111133131121131212   <<    C312322331333132212111133133313331323132333121111331311211312123   >>      C312322331333132212111133133313331323132333121111331311211312122   >>