C13223313311212111133133313331312111133133313223211111333132233133321123221   >>    C1322331331121211113313331333131211113313331322321111133313223313332112322   <<    C13223313311212111133133313331312111133133313223211111333132233133321123223   >>      C13223313311212111133133313331312111133133313223211111333132233133321123222   >>