C132233133112121111331333133313331323331333133313231311213112121   >>    C13223313311212111133133313331333132333133313331323131121311212   <<    C132233133112121111331333133313331323331333133313231311213112123   >>      C132233133112121111331333133313331323331333133313231311213112122   >>