C13132313123113313223313133313231133132333132322223313231333132223331   >>    C1313231312311331322331313331323113313233313232222331323133313222333   <<    C13132313123113313223313133313231133132333132322223313231333132223333   >>      C13132313123113313223313133313231133132333132322223313231333132223332   >>