C31232233133313221211113313331333132313331121133133313233313331323233231   >>    C3123223313331322121111331333133313231333112113313331323331333132323323   <<    C31232233133313221211113313331333132313331121133133313233313331323233233   >>      C31232233133313221211113313331333132313331121133133313233313331323233232   >>