C3123223313331322121111331333133313231333132212111112111133232123221   >>    C312322331333132212111133133313331323133313221211111211113323212322   <<    C3123223313331322121111331333133313231333132212111112111133232123223   >>      C3123223313331322121111331333133313231333132212111112111133232123222   >>