C13223313311212111133133313331333133313231323133211331333132233112321   >>    C1322331331121211113313331333133313331323132313321133133313223311232   <<    C13223313311212111133133313331333133313231323133211331333132233112323   >>      C13223313311212111133133313331333133313231323133211331333132233112322   >>