C2122121212121133132213231313231323132322331321123231333131133111   >>    C212212121212113313221323131323132313232233132112323133313113311   <<    C2122121212121133132213231313231323132322331321123231333131133113   >>      C2122121212121133132213231313231323132322331321123231333131133112   >>