C132233133112121111331333133313231333132333131211113313132313232332111   >>    C13223313311212111133133313331323133313233313121111331313231323233211   <<    C132233133112121111331333133313231333132333131211113313132313232332113   >>      C132233133112121111331333133313231333132333131211113313132313232332112   >>