C1111233131211111211113313231333133313331323221211111333132313331333131231   >>    C111123313121111121111331323133313331333132322121111133313231333133313123   <<    C1111233131211111211113313231333133313331323221211111333132313331333131233   >>      C1111233131211111211113313231333133313331323221211111333132313331333131232   >>