C1111133313331323223313331333133313311211111211331333131211111111331323132211   >>    C111113331333132322331333133313331331121111121133133313121111111133132313221   <<    C1111133313331323223313331333133313311211111211331333131211111111331323132213   >>      C1111133313331323223313331333133313311211111211331333131211111111331323132212   >>