C11111333133313232233133313331333133313231333133313331123313232212231   >>    C1111133313331323223313331333133313331323133313331333112331323221223   <<    C11111333133313232233133313331333133313231333133313331123313232212233   >>      C11111333133313232233133313331333133313231333133313331123313232212232   >>