C11111333133313232233133313331333132332313112113313331322331313111   >>    C1111133313331323223313331333133313233231311211331333132233131311   <<    C11111333133313232233133313331333132332313112113313331322331313113   >>      C11111333133313232233133313331333132332313112113313331322331313112   >>