C132233133112121111331333133313231333133313231211111333132312322221   >>    C13223313311212111133133313331323133313331323121111133313231232222   <<    C132233133112121111331333133313231333133313231211111333132312322223   >>      C132233133112121111331333133313231333133313231211111333132312322222   >>