C1111133313331323223313331333133313331323131211113313221323222211   >>    C111113331333132322331333133313331333132313121111331322132322221   <<    C1111133313331323223313331333133313331323131211113313221323222213   >>      C1111133313331323223313331333133313331323131211113313221323222212   >>