C13223313311212111133133313331333133313231323133211331333131323222221   >>    C1322331331121211113313331333133313331323132313321133133313132322222   <<    C13223313311212111133133313331333133313231323133211331333131323222223   >>      C13223313311212111133133313331333133313231323133211331333131323222222   >>