C111123313121111121111331333133313331323232133313331311213331323223213131   >>    C11112331312111112111133133313331333132323213331333131121333132322321313   <<    C111123313121111121111331333133313331323232133313331311213331323223213133   >>      C111123313121111121111331333133313331323232133313331311213331323223213132   >>