C11111333133313232233133313331333133313231312111113113313232123313332123231   >>    C1111133313331323223313331333133313331323131211111311331323212331333212323   <<    C11111333133313232233133313331333133313231312111113113313232123313332123233   >>      C11111333133313232233133313331333133313231312111113113313232123313332123232   >>