C111123313331323113313331333133313231333132231211331323221132311   >>    C11112331333132311331333133313331323133313223121133132322113231   <<    C111123313331323113313331333133313231333132231211331323221132313   >>      C111123313331323113313331333133313231333132231211331323221132312   >>