C1111133313331323223313331333133313113313231333133313111122112311331   >>    C111113331333132322331333133313331311331323133313331311112211231133   <<    C1111133313331323223313331333133313113313231333133313111122112311333   >>      C1111133313331323223313331333133313113313231333133313111122112311332   >>