C3123223313331322121111331333133313121111331323133313332212111111311   >>    C312322331333132212111133133313331312111133132313331333221211111131   <<    C3123223313331322121111331333133313121111331323133313332212111111313   >>      C3123223313331322121111331333133313121111331323133313332212111111312   >>