C11111333133313232233133313331333132332313112113313331323112111221   >>    C1111133313331323223313331333133313233231311211331333132311211122   <<    C11111333133313232233133313331333132332313112113313331323112111223   >>      C11111333133313232233133313331333132332313112113313331323112111222   >>