C312322331333132212111133133313331323133313221211111133133112111133132232311   >>    C31232233133313221211113313331333132313331322121111113313311211113313223231   <<    C312322331333132212111133133313331323133313221211111133133112111133132232313   >>      C312322331333132212111133133313331323133313221211111133133112111133132232312   >>