C312322331333132212111133133313331323133313331333133313331333131211111321232311   >>    C31232233133313221211113313331333132313331333133313331333133313121111132123231   <<    C312322331333132212111133133313331323133313331333133313331333131211111321232313   >>      C312322331333132212111133133313331323133313331333133313331333131211111321232312   >>