C111113331333132322331333133313331333133312331323132313233313231322311   >>    C11111333133313232233133313331333133313331233132313231323331323132231   <<    C111113331333132322331333133313331333133312331323132313233313231322313   >>      C111113331333132322331333133313331333133312331323132313233313231322312   >>