C1111233133313231133133313331333133313231323331333133313113121111132321   >>    C111123313331323113313331333133313331323132333133313331311312111113232   <<    C1111233133313231133133313331333133313231323331333133313113121111132323   >>      C1111233133313231133133313331333133313231323331333133313113121111132322   >>