C11111333133313232233133313331333133313231333133313133123212331   >>    C1111133313331323223313331333133313331323133313331313312321233   <<    C11111333133313232233133313331333133313231333133313133123212333   >>      C11111333133313232233133313331333133313231333133313133123212332   >>