C11223331333132322331333131133132313331333131323133313112123231   >>    C1122333133313232233133313113313231333133313132313331311212323   <<    C11223331333132322331333131133132313331333131323133313112123233   >>      C11223331333132322331333131133132313331333131323133313112123232   >>