C11112331333132311331333133313231333131133131211111333132212331   >>    C1111233133313231133133313331323133313113313121111133313221233   <<    C11112331333132311331333133313231333131133131211111333132212333   >>      C11112331333132311331333133313231333131133131211111333132212332   >>