C22212323232133313113313331333132313231333131211211323121213221321   >>    C2221232323213331311331333133313231323133313121121132312121322132   <<    C22212323232133313113313331333132313231333131211211323121213221323   >>      C22212323232133313113313331333132313231333131211211323121213221322   >>