C1111133313331323223313331333133313331323131211113313112121111331333132223311   >>    C111113331333132322331333133313331333132313121111331311212111133133313222331   <<    C1111133313331323223313331333133313331323131211113313112121111331333132223313   >>      C1111133313331323223313331333133313331323131211113313112121111331333132223312   >>