C1111233133313231133133313331333132313231333131333132313112113111   >>    C111123313331323113313331333133313231323133313133313231311211311   <<    C1111233133313231133133313331333132313231333131333132313112113113   >>      C1111233133313231133133313331333132313231333131333132313112113112   >>