C1111233131211111211113313331323133313232212111113331322313331121   >>    C111123313121111121111331333132313331323221211111333132231333112   <<    C1111233131211111211113313331323133313232212111113331322313331123   >>      C1111233131211111211113313331323133313232212111113331322313331122   >>