C1111233131211111211113313331333133313331322322331323132313331323233313332221   >>    C111123313121111121111331333133313331333132232233132313231333132323331333222   <<    C1111233131211111211113313331333133313331322322331323132313331323233313332223   >>      C1111233131211111211113313331333133313331322322331323132313331323233313332222   >>