C1111133313331323223313331333133313231333132313331333131211113313331111   >>    C111113331333132322331333133313331323133313231333133313121111331333111   <<    C1111133313331323223313331333133313231333132313331333131211113313331113   >>      C1111133313331323223313331333133313231333132313331333131211113313331112   >>