C312322331333132212111133133313331323133313221211331333133313311213111322321   >>    C31232233133313221211113313331333132313331322121133133313331331121311132232   <<    C312322331333132212111133133313331323133313221211331333133313311213111322323   >>      C312322331333132212111133133313331323133313221211331333133313311213111322322   >>