C1111133313331323223313331333133313331323131313121111331323232212311   >>    C111113331333132322331333133313331333132313131312111133132323221231   <<    C1111133313331323223313331333133313331323131313121111331323232212313   >>      C1111133313331323223313331333133313331323131313121111331323232212312   >>