C111123313121111121111331333133313231323132322331333132221233132311211   >>    C11112331312111112111133133313331323132313232233133313222123313231121   <<    C111123313121111121111331333133313231323132322331333132221233132311213   >>      C111123313121111121111331333133313231323132322331333132221233132311212   >>