C11112331333132311331333133313331333132312323133313331322231312323311   >>    C1111233133313231133133313331333133313231232313331333132223131232331   <<    C11112331333132311331333133313331333132312323133313331322231312323313   >>      C11112331333132311331333133313331333132312323133313331322231312323312   >>