C31232233133313221211113313331333132313331333133313331333133311211331323233231   >>    C3123223313331322121111331333133313231333133313331333133313331121133132323323   <<    C31232233133313221211113313331333132313331333133313331333133311211331323233233   >>      C31232233133313221211113313331333132313331333133313331333133311211331323233232   >>