C232212111133133312331333133313121111331333133313331331123313231221   >>    C23221211113313331233133313331312111133133313331333133112331323122   <<    C232212111133133312331333133313121111331333133313331331123313231223   >>      C232212111133133312331333133313121111331333133313331331123313231222   >>