C1111121111331311211331333133313331323132322331323133313232123131   >>    C111112111133131121133133313331333132313232233132313331323212313   <<    C1111121111331311211331333133313331323132322331323133313232123133   >>      C1111121111331311211331333133313331323132322331323133313232123132   >>