C312322331333132212111133133313331333131121132313231333132313133313222321   >>    C31232233133313221211113313331333133313112113231323133313231313331322232   <<    C312322331333132212111133133313331333131121132313231333132313133313222323   >>      C312322331333132212111133133313331333131121132313231333132313133313222322   >>