C132233133112121111331333133313231333133313231211111333131111311   >>    C13223313311212111133133313331323133313331323121111133313111131   <<    C132233133112121111331333133313231333133313231211111333131111313   >>      C132233133112121111331333133313231333133313231211111333131111312   >>