C31232233133313221211113313331333132313331333133313331333133313331323113122131   >>    C3123223313331322121111331333133313231333133313331333133313331333132311312213   <<    C31232233133313221211113313331333132313331333133313331333133313331323113122133   >>      C31232233133313221211113313331333132313331333133313331333133313331323113122132   >>