C11111333133313232233133313331333132332313112113313331322333122321   >>    C1111133313331323223313331333133313233231311211331333132233312232   <<    C11111333133313232233133313331333132332313112113313331322333122323   >>      C11111333133313232233133313331333132332313112113313331322333122322   >>