C3123223313331322121111331333133313121111331323133313233313221313231333111   >>    C312322331333132212111133133313331312111133132313331323331322131323133311   <<    C3123223313331322121111331333133313121111331323133313233313221313231333113   >>      C3123223313331322121111331333133313121111331323133313233313221313231333112   >>