C312322331333132212111133133313331323133313221211111121132113121   >>    C31232233133313221211113313331333132313331322121111112113211312   <<    C312322331333132212111133133313331323133313221211111121132113123   >>      C312322331333132212111133133313331323133313221211111121132113122   >>