C111123313331323113313331333133313331122112312111111331323223332311   >>    C11112331333132311331333133313331333112211231211111133132322333231   <<    C111123313331323113313331333133313331122112312111111331323223332313   >>      C111123313331323113313331333133313331122112312111111331323223332312   >>