C11111333133313232233133313331333133313221333133313232213222313331311211331   >>    C1111133313331323223313331333133313331322133313331323221322231333131121133   <<    C11111333133313232233133313331333133313221333133313232213222313331311211333   >>      C11111333133313232233133313331333133313221333133313232213222313331311211332   >>