C312322331333132212111133133313331323133311211331323132313233313232212321   >>    C31232233133313221211113313331333132313331121133132313231323331323221232   <<    C312322331333132212111133133313331323133311211331323132313233313232212323   >>      C312322331333132212111133133313331323133311211331323132313233313232212322   >>