C132233133112121111331333133313331323133313331333133313221132211   >>    C13223313311212111133133313331333132313331333133313331322113221   <<    C132233133112121111331333133313331323133313331333133313221132213   >>      C132233133112121111331333133313331323133313331333133313221132212   >>