C112122131333131323132313221323132313331323131123313231333132212111   >>    C11212213133313132313231322132313231333132313112331323133313221211   <<    C112122131333131323132313221323132313331323131123313231333132212113   >>      C112122131333131323132313221323132313331323131123313231333132212112   >>