C111123313121111121111331313331333132313331323133313231323223111   >>    C11112331312111112111133131333133313231333132313331323132322311   <<    C111123313121111121111331313331333132313331323133313231323223113   >>      C111123313121111121111331313331333132313331323133313231323223112   >>