C32133223331333131133132212111133133313331333132311311312331111132221221   >>    C3213322333133313113313221211113313331333133313231131131233111113222122   <<    C32133223331333131133132212111133133313331333132311311312331111132221223   >>      C32133223331333131133132212111133133313331333132311311312331111132221222   >>