C11111333133313232233133313331333132332313112113313331323133313231322223331   >>    C1111133313331323223313331333133313233231311211331333132313331323132222333   <<    C11111333133313232233133313331333132332313112113313331323133313231322223333   >>      C11111333133313232233133313331333132332313112113313331323133313231322223332   >>