C11111333133313232233133313331333133313331313331333133313231333131323321   >>    C1111133313331323223313331333133313331333131333133313331323133313132332   <<    C11111333133313232233133313331333133313331313331333133313231333131323323   >>      C11111333133313232233133313331333133313331313331333133313231333131323322   >>