C312322331333132212111133133313331333133112112312111133112113122331   >>    C31232233133313221211113313331333133313311211231211113311211312233   <<    C312322331333132212111133133313331333133112112312111133112113122333   >>      C312322331333132212111133133313331333133112112312111133112113122332   >>