C1111233131211111211113313331323133313231333133312111111331322332322111   >>    C111123313121111121111331333132313331323133313331211111133132233232211   <<    C1111233131211111211113313331323133313231333133312111111331322332322113   >>      C1111233131211111211113313331323133313231333133312111111331322332322112   >>