C312322331333132212111133133313331323133313221211111211331323133112111113211311   >>    C31232233133313221211113313331333132313331322121111121133132313311211111321131   <<    C312322331333132212111133133313331323133313221211111211331323133112111113211313   >>      C312322331333132212111133133313331323133313221211111211331323133112111113211312   >>