C132233133112121111331333133313331323133313331333131211113313231123231   >>    C13223313311212111133133313331333132313331333133313121111331323112323   <<    C132233133112121111331333133313331323133313331333131211113313231123233   >>      C132233133112121111331333133313331323133313331333131211113313231123232   >>