C22121333132313311211113313331333132233131133133313331311311232321   >>    C2212133313231331121111331333133313223313113313331333131131123232   <<    C22121333132313311211113313331333132233131133133313331311311232323   >>      C22121333132313311211113313331333132233131133133313331311311232322   >>