C111112111133131121133133313331333132313232233133313133112323131   >>    C11111211113313112113313331333133313231323223313331313311232313   <<    C111112111133131121133133313331333132313232233133313133112323133   >>      C111112111133131121133133313331333132313232233133313133112323132   >>