C312322331333132212111133133313331323133311211331333132333133313232212331   >>    C31232233133313221211113313331333132313331121133133313233313331323221233   <<    C312322331333132212111133133313331323133311211331333132333133313232212333   >>      C312322331333132212111133133313331323133311211331333132333133313232212332   >>