C13223313311212111133133313331333133313231323133211331323112321   >>    C1322331331121211113313331333133313331323132313321133132311232   <<    C13223313311212111133133313331333133313231323133211331323112323   >>      C13223313311212111133133313331333133313231323133211331323112322   >>