C312322331333132212111133133313331323133313232313231323221311211   >>    C31232233133313221211113313331333132313331323231323132322131121   <<    C312322331333132212111133133313331323133313232313231323221311213   >>      C312322331333132212111133133313331323133313232313231323221311212   >>