C1111233131211111211113313331333133313232321333133313331331122131121132311   >>    C111123313121111121111331333133313331323232133313331333133112213112113231   <<    C1111233131211111211113313331333133313232321333133313331331122131121132313   >>      C1111233131211111211113313331333133313232321333133313331331122131121132312   >>