C1111133313331323223313331333133313331323131211113312111133222123313231323231   >>    C111113331333132322331333133313331333132313121111331211113322212331323132323   <<    C1111133313331323223313331333133313331323131211113312111133222123313231323233   >>      C1111133313331323223313331333133313331323131211113312111133222123313231323232   >>