C3123223313331322121111331333133313121111331323133313221323221311   >>    C312322331333132212111133133313331312111133132313331322132322131   <<    C3123223313331322121111331333133313121111331323133313221323221313   >>      C3123223313331322121111331333133313121111331323133313221323221312   >>