C132233133112121111331333133313231333132333131211111211111322122321   >>    C13223313311212111133133313331323133313233313121111121111132212232   <<    C132233133112121111331333133313231333132333131211111211111322122323   >>      C132233133112121111331333133313231333132333131211111211111322122322   >>