C312322331333132212111133133313331323133313221211111211331323133112111113122311   >>    C31232233133313221211113313331333132313331322121111121133132313311211111312231   <<    C312322331333132212111133133313331323133313221211111211331323133112111113122313   >>      C312322331333132212111133133313331323133313221211111211331323133112111113122312   >>