C11223331333132322331333131133132313331333131323133313123232321   >>    C1122333133313232233133313113313231333133313132313331312323232   <<    C11223331333132322331333131133132313331333131323133313123232323   >>      C11223331333132322331333131133132313331333131323133313123232322   >>