C111123313121111121111331333132313331323132322331333131133121311   >>    C11112331312111112111133133313231333132313232233133313113312131   <<    C111123313121111121111331333132313331323132322331333131133121313   >>      C111123313121111121111331333132313331323132322331333131133121312   >>