C312322331333132212111133133313331323133313221211331333133313332321232311   >>    C31232233133313221211113313331333132313331322121133133313331333232123231   <<    C312322331333132212111133133313331323133313221211331333133313332321232313   >>      C312322331333132212111133133313331323133313221211331333133313332321232312   >>