C312322331333132212111133133313331323133313221211331333132313332112313233231   >>    C31232233133313221211113313331333132313331322121133133313231333211231323323   <<    C312322331333132212111133133313331323133313221211331333132313332112313233233   >>      C312322331333132212111133133313331323133313221211331333132313332112313233232   >>