C3123223313331322121111331333133313121111331323133313233212313231   >>    C312322331333132212111133133313331312111133132313331323321231323   <<    C3123223313331322121111331333133313121111331323133313233212313233   >>      C3123223313331322121111331333133313121111331323133313233212313232   >>