C11111333133313232233133313331333132332313112113313331333131113233121   >>    C1111133313331323223313331333133313233231311211331333133313111323312   <<    C11111333133313232233133313331333132332313112113313331333131113233123   >>      C11111333133313232233133313331333132332313112113313331333131113233122   >>