C1111133313331323223313331333133313331333131211113313331323131112131   >>    C111113331333132322331333133313331333133313121111331333132313111213   <<    C1111133313331323223313331333133313331333131211113313331323131112133   >>      C1111133313331323223313331333133313331333131211113313331323131112132   >>