C13223313311212111133133313331333133313231323133211331333131331133122321   >>    C1322331331121211113313331333133313331323132313321133133313133113312232   <<    C13223313311212111133133313331333133313231323133211331333131331133122323   >>      C13223313311212111133133313331333133313231323133211331333131331133122322   >>