C112313233211113313121111331333133313232233132313231333131313321   >>    C11231323321111331312111133133313331323223313231323133313131332   <<    C112313233211113313121111331333133313232233132313231333131313323   >>      C112313233211113313121111331333133313232233132313231333131313322   >>