C3123223313331322121111331333133313231333133313331312111133132313231   >>    C312322331333132212111133133313331323133313331333131211113313231323   <<    C3123223313331322121111331333133313231333133313331312111133132313233   >>      C3123223313331322121111331333133313231333133313331312111133132313232   >>