C11111333133313232233133313331333133313331313331333132322112331   >>    C1111133313331323223313331333133313331333131333133313232211233   <<    C11111333133313232233133313331333133313331313331333132322112333   >>      C11111333133313232233133313331333133313331313331333132322112332   >>