C111123313121111121111331333133313331333112221211111133133322122111   >>    C11112331312111112111133133313331333133311222121111113313332212211   <<    C111123313121111121111331333133313331333112221211111133133322122113   >>      C111123313121111121111331333133313331333112221211111133133322122112   >>