C1111133313331323223313331333133313331323131313121111331323331323133313123221   >>    C111113331333132322331333133313331333132313131312111133132333132313331312322   <<    C1111133313331323223313331333133313331323131313121111331323331323133313123223   >>      C1111133313331323223313331333133313331323131313121111331323331323133313123222   >>