C132233133112121111331333133313231333133313231211113313331321123132311   >>    C13223313311212111133133313331323133313331323121111331333132112313231   <<    C132233133112121111331333133313231333133313231211113313331321123132313   >>      C132233133112121111331333133313231333133313231211113313331321123132312   >>