C312322331333132212111133133313331323133313221211111211113322221311   >>    C31232233133313221211113313331333132313331322121111121111332222131   <<    C312322331333132212111133133313331323133313221211111211113322221313   >>      C312322331333132212111133133313331323133313221211111211113322221312   >>