C11111333133313232233133313331333132332313112113313331333133112312311   >>    C1111133313331323223313331333133313233231311211331333133313311231231   <<    C11111333133313232233133313331333132332313112113313331333133112312313   >>      C11111333133313232233133313331333132332313112113313331333133112312312   >>