C1111233133313231133133313331333133313231312111133131211113313332321333131   >>    C111123313331323113313331333133313331323131211113313121111331333232133313   <<    C1111233133313231133133313331333133313231312111133131211113313332321333133   >>      C1111233133313231133133313331333133313231312111133131211113313332321333132   >>