C11111333133313232233133313331333133313211231133132313231323132333132313321   >>    C1111133313331323223313331333133313331321123113313231323132313233313231332   <<    C11111333133313232233133313331333133313211231133132313231323132333132313323   >>      C11111333133313232233133313331333133313211231133132313231323132333132313322   >>