C31232233133313221211113313331333132313331333133313331333133313331323221211311   >>    C3123223313331322121111331333133313231333133313331333133313331333132322121131   <<    C31232233133313221211113313331333132313331333133313331333133313331323221211313   >>      C31232233133313221211113313331333132313331333133313331333133313331323221211312   >>