C31232233133313221211113313331333132313331333133313331333133313331323222212231   >>    C3123223313331322121111331333133313231333133313331333133313331333132322221223   <<    C31232233133313221211113313331333132313331333133313331333133313331323222212233   >>      C31232233133313221211113313331333132313331333133313331333133313331323222212232   >>