C11223331333132322331333131133132313331311331311221123231311211331   >>    C1122333133313232233133313113313231333131133131122112323131121133   <<    C11223331333132322331333131133132313331311331311221123231311211333   >>      C11223331333132322331333131133132313331311331311221123231311211332   >>