C111113331333132322331333133313331333132313121111331211113322223311211331   >>    C11111333133313232233133313331333133313231312111133121111332222331121133   <<    C111113331333132322331333133313331333132313121111331211113322223311211333   >>      C111113331333132322331333133313331333132313121111331211113322223311211332   >>