C132233133112121111331333133313331333132322331333133323133313231133133313122121   >>    C13223313311212111133133313331333133313232233133313332313331323113313331312212   <<    C132233133112121111331333133313331333132322331333133323133313231133133313122123   >>      C132233133112121111331333133313331333132322331333133323133313231133133313122122   >>