C1111133313331323223313331333133313331323131211113313231121311131   >>    C111113331333132322331333133313331333132313121111331323112131113   <<    C1111133313331323223313331333133313331323131211113313231121311133   >>      C1111133313331323223313331333133313331323131211113313231121311132   >>