C132233133112121111331333133313331323132313231333133313231123313113311   >>    C13223313311212111133133313331333132313231323133313331323112331311331   <<    C132233133112121111331333133313331323132313231333133313231123313113313   >>      C132233133112121111331333133313331323132313231333133313231123313113312   >>