C111113331333132322331333133313331333133313121111121133131311311   >>    C11111333133313232233133313331333133313331312111112113313131131   <<    C111113331333132322331333133313331333133313121111121133131311313   >>      C111113331333132322331333133313331333133313121111121133131311312   >>