C1111233131211111211113313331333133313231333132313331333133313331333221323231   >>    C111123313121111121111331333133313331323133313231333133313331333133322132323   <<    C1111233131211111211113313331333133313231333132313331333133313331333221323233   >>      C1111233131211111211113313331333133313231333132313331333133313331333221323232   >>