C11112331333132311331333132313331333131133131133132313331312111113331323311   >>    C1111233133313231133133313231333133313113313113313231333131211111333132331   <<    C11112331333132311331333132313331333131133131133132313331312111113331323313   >>      C11112331333132311331333132313331333131133131133132313331312111113331323312   >>