C111113331333132322331333133313331333133313121111331333132313331323223332211   >>    C11111333133313232233133313331333133313331312111133133313231333132322333221   <<    C111113331333132322331333133313331333133313121111331333132313331323223332213   >>      C111113331333132322331333133313331333133313121111331333132313331323223332212   >>