C11111333133313232233133313331333133313231333133313331123313121113331333111   >>    C1111133313331323223313331333133313331323133313331333112331312111333133311   <<    C11111333133313232233133313331333133313231333133313331123313121113331333113   >>      C11111333133313232233133313331333133313231333133313331123313121113331333112   >>