C11111333133313232233133313331333133313231312331323133313231323331323311211   >>    C1111133313331323223313331333133313331323131233132313331323132333132331121   <<    C11111333133313232233133313331333133313231312331323133313231323331323311213   >>      C11111333133313232233133313331333133313231312331323133313231323331323311212   >>