C1111133313331323223313331333133313113313231333133313111122112313131   >>    C111113331333132322331333133313331311331323133313331311112211231313   <<    C1111133313331323223313331333133313113313231333133313111122112313133   >>      C1111133313331323223313331333133313113313231333133313111122112313132   >>