C3123223313331322121111331333133313231333133313331312111133132333221   >>    C312322331333132212111133133313331323133313331333131211113313233322   <<    C3123223313331322121111331333133313231333133313331312111133132333223   >>      C3123223313331322121111331333133313231333133313331312111133132333222   >>