C313331311233133313112331333132313331323132322331333133313233312323121   >>    C31333131123313331311233133313231333132313232233133313331323331232312   <<    C313331311233133313112331333132313331323132322331333133313233312323123   >>      C313331311233133313112331333132313331323132322331333133313233312323122   >>