I132313232233131333132223323132313231333131323223313233313232212111   >>    I13231323223313133313222332313231323133313132322331323331323221211   <<    I132313232233131333132223323132313231333131323223313233313232212113   >>      I132313232233131333132223323132313231333131323223313233313232212112   >>