C132233133112121111331333133313331333132322331333131122112122121   >>    C13223313311212111133133313331333133313232233133313112211212212   <<    C132233133112121111331333133313331333132322331333131122112122123   >>      C132233133112121111331333133313331333132322331333131122112122122   >>