C312322331333132212111133133313331323133313221211111211111312112313331   >>    C31232233133313221211113313331333132313331322121111121111131211231333   <<    C312322331333132212111133133313331323133313221211111211111312112313333   >>      C312322331333132212111133133313331323133313221211111211111312112313332   >>