C1111233133313231133133313331333133313231323331323331323131133132321   >>    C111123313331323113313331333133313331323132333132333132313113313232   <<    C1111233133313231133133313331333133313231323331323331323131133132323   >>      C1111233133313231133133313331333133313231323331323331323131133132322   >>